9+3a+2+7a=

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Solution for 9+3a+2+7a= equation:


Simplifying
9 + 3a + 2 + 7a = 0

Reorder the terms:
9 + 2 + 3a + 7a = 0

Combine like terms: 9 + 2 = 11
11 + 3a + 7a = 0

Combine like terms: 3a + 7a = 10a
11 + 10a = 0

Solving
11 + 10a = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-11' to each side of the equation.
11 + -11 + 10a = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 10a = 0 + -11
10a = 0 + -11

Combine like terms: 0 + -11 = -11
10a = -11

Divide each side by '10'.
a = -1.1

Simplifying
a = -1.1

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